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AGRIS - International System for Agricultural Science and Technology

[ Published in: Pollution ]
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AGROVOC Keywords
dose d'application
Publication Date
1998

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Turnover of carbon and nitrogen in coniferous forest soils of different N-status and under different 15NH4-N application rate

1998

Sjoberg, R.M. | Persson, T. (Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, P.O. Box 7072, S-750 07 Uppsala (Sweden))

nitrogen cycling mor soil organic matter soil types suelo forestal nitrificacion nitrogeno engrais azote cycle biogeochimique foret resineuse materia organica del suelo ...
Department for Environment, Food and Rural Affairs - United Kingdom
The manure model: manure, minerals (N, P and K), ammonia emission, heavy metals and the use of fertiliser in Dutch agriculture

1998

Oudendag, D.A. | Luesink, H.H. (Agricultural Economics Research Institute [LEI-DLO], The Hague (Netherlands))

ammoniac phosphore nitrogen legislation economie potassium cout estiercol nitrogeno metal lourd amoniaco engrais azote ...
Department for Environment, Food and Rural Affairs - United Kingdom
Seasonal variability and mitigation options for N2O emissions from differently managed grasslands

1998

Kammann, C. | Grunhage, L. | Muller, C. | Jacobi, S. | Jager, H.J. (Institute for Plant Ecology, University of Giessen, Heinrich-Buff-Ring 38, D-35392 Giessen, Germany)

herbage natural grasslands facteur climatique harvesting frequency suelo permanent grasslands frequence de recolte engrais azote capa freatica factores climaticos metabolismo del nitrogeno freeze thaw cycles ...
Department for Environment, Food and Rural Affairs - United Kingdom